Question

E)7-4x=40+3x
F)-x+3=-2x+1

Answer 1

E) 7 - 4x = 40 + 3x

-4x - 3x = 40 - 7
-7x = 33 . (-1)
x = -33/7
.
.
F) -x + 3 = -2x + 1

-x + 2x = 1 - 2
x = -1

Answer 2

E) 7 - 4x = 40 + 3x
- 4x - 3x = 40 - 7
- 7x = 33(-1)
7x = - 33
x = - 33/7

F) - x + 3 = - 2x + 1
- x + 2x =1 - 3
x = - 2